2016 'Remember the Fallen' Coloured Triangular Five Dollar Silver Proof Coin. The Royal Australian Mint presents this fine silver coloured proof coin inspired by the art of Napier Waller. Waller was wounded in the First World War, he was commissioned to design the Hall of Memory's interior in 1937 and completed his last mosaics nearly 20 years later. Certificate of Authenticity Supplied. Mintage 7500. Please contact Adelaide Exchange Jewellers to find out more on this item.